
	var home;
	var pro;
	var news;
	var dev;
	var bus;
	var about;
	var contact;
	function picOver(id) {
	
		if (id == "home") {
			var img = document.getElementById("home");
			home = (img.src).substring((img.src).indexOf("/hykj"));
			var temp = (img.src).match("/hykj/images/yz_home.gif");
			if (temp) {
				img.src = "/hykj/images/zy_home.gif";
			}
		} else if (id == "pro") {
			var img = document.getElementById("pro");
			pro = (img.src).substring((img.src).indexOf("/hykj"));
			var temp = (img.src).match("/hykj/images/zy_pro.gif");
			if (temp) {
				img.src = "/hykj/images/yz_pro.gif";
			}
		} else if (id == "news") {
			var img = document.getElementById("news");
			news = (img.src).substring((img.src).indexOf("/hykj"));
			var temp = (img.src).match("/hykj/images/zy_news.gif");
			if (temp) {
				img.src = "/hykj/images/yz_news.gif";
			}
		} else if (id == "dev") {
			var img = document.getElementById("dev");
			dev = (img.src).substring((img.src).indexOf("/hykj"));
			var temp = (img.src).match("/hykj/images/zy_dev.gif");
			if (temp) {
				img.src = "/hykj/images/yz_dev.gif";
			}
		} else if (id == "bus") {
			var img = document.getElementById("bus");
			bus = (img.src).substring((img.src).indexOf("/hykj"));
			var temp = (img.src).match("/hykj/images/zy_bussiness.gif");
			if (temp) {
				img.src = "/hykj/images/yz_bussiness.gif";
			}
		} else if (id == "about") {
			var img = document.getElementById("about");
			about = (img.src).substring((img.src).indexOf("/hykj"));
			var temp = (img.src).match("/hykj/images/zy_about.gif");
			if (temp) {
				img.src = "/hykj/images/yz_about.gif";
			}
		} else if (id == "contact") {
			var img = document.getElementById("contact");
			contact = (img.src).substring((img.src).indexOf("/hykj"));
			var temp = (img.src).match("/hykj/images/zy_contact.gif");
			if (temp) {
				img.src = "/hykj/images/yz_contact.gif";
			}
		}
	}
	
	function picOut(id) {
		if (id == "home") {
			document.getElementById("home").src = home;
		} else if (id == "pro") {
			document.getElementById("pro").src = pro;
		}
		 else if (id == "news") {
			document.getElementById("news").src = news;
		}
		 else if (id == "dev") {
			document.getElementById("dev").src = dev;
		}
		 else if (id == "bus") {
			document.getElementById("bus").src = bus;
		}
		 else if (id == "about") {
			document.getElementById("about").src = about;
		}
		 else if (id == "contact") {
			document.getElementById("contact").src = contact;
		}
		 
	}
	
